5

THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE FINANCIAL STATEMENTS OF QUANTUM CORPORATION FOR THE QUARTER ENDED JUNE 28, 1998

1,000 3-MOS MAR-31-1999 APR-01-1998 JUN-28-1998 496,371 58,528 674,825 11,854 317,826 1,765,813 524,412 236,967 2,153,016 603,983 327,238 0 0 785,827 397,893 2,153,016 1,103,023 1,103,023 936,650 936,650 140,037 0 6,502 4,301 1,291 3,010 0 0 0 3,010 0.02 0.02